Vehicle grille insert



FIG. 1 is a front perspective view of a vehicle grille insert showing our new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a top rear view thereof.

It will be understood that the broken lines shown in the drawings illustrate portions of the vehicle grille insert that form no part of claimed design. 

CLAIM The ornamental design for a vehicle grille insert, as shown and described. 